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qaws [65]
3 years ago
14

5 over 2 × z - 8 =-3​

Mathematics
1 answer:
Olenka [21]3 years ago
3 0

Answer:

Step-by-step explanation:

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Pls help I need to finish all of my homework by Monday and I haven’t been able to finish it so pls help! The question is 9x3/4 p
Alina [70]

Answer:

6.75.

Step-by-step explanation:

Following PEMDAS, as there are no other variables, we move from right to left.  9 x 3 is 27, and 27 / 4 is 6.75.

Hope this helps!

5 0
3 years ago
Answer these problems please
trasher [3.6K]

Answer:

See below

Step-by-step explanation:

9 x 1/8 = 1.125

10 x 1/8 = 1.25

9 1/2 x 1/8 = 1.1875

12 x 1/8 = 1.5

8 1/2 x 1/8 = 0.5

For detailed, step-by-step explanations you can visit my fiverr account: kesja_

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7 0
2 years ago
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Two cities on a map were 2 1/4 in. apart. The cities are actually 56.25 miles apart. Write the scale as a COMMON RATIO/FRACTION
arsen [322]
25 mile scale

25 miles/1 inch
5 0
3 years ago
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A company that produces an expensive stereo component is considering offering a warranty on the component. Suppose the populatio
Llana [10]

Answer:

Warranty of 66 months.

Step-by-step explanation:

Problems of normally distributed samples are solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this problem, we have that:

\mu = 84, \sigma = 9

If the company wants no more than 2% of the components to wear out before they reach the warranty date, what number of months should be used for the warranty?

Only the lowest 2% will be replaced, so the warranty is the value of X when Z has a pvalue of 0.02. So it is X when Z = -2.055.

Z = \frac{X - \mu}{\sigma}

-2.055 = \frac{X - 84}{9}

X - 84 = -2.055*9

X = 65.5

Warranty of 66 months.

5 0
3 years ago
What is the sum of the exterior angle of a pentagon?​
fredd [130]

Answer:

360°

Step-by-step explanation:

The exteriors angles of a pentagon are (m + 5)°, (2m + 3)°, (3m + 2)°, (4m + 1)° and (5m + 4)° respectively. Find the measure of each angle. Hints: The sum of all exterior angles of a polygon is 360°.

3 0
3 years ago
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